What it is
Trail is a generated logic puzzle where the goal is to draw a single line that covers every tile on the board. Each level gets a little harder, offering a compact challenge that is free to play on the web and on the App Store.
Editor takes
NicoThe Commuter
“Free on mobile and built for quick sessions, so it's a great pick-up-and-play commuter puzzle, though I'd want clear saving before I trust it.”
JunoThe Puzzle Purist
“The one-line/every-tile rule is admirably crisp, and a generated difficulty curve could earn its aha moments if the logic never cheats.”
How to play
Trace a path across the board so that one continuous line visits every tile. The puzzle is generated, and later levels introduce more difficult layouts that require planning ahead before committing to a route.
Tips
- Start by looking at tiles near the edges, since their possible connections are more limited.
- If a tile has only one clear exit, use that to anchor part of the route early.
- Before finishing, check whether the line would leave any remaining tile unreachable.
- When you get stuck, mentally trace the full path to see if an early choice isolates an area.
- Use each completed level as practice for recognizing larger patterns in the generated puzzles.
Questions
Is Trail free?
Yes, it is free to play on the web and on the App Store.
Where can I play Trail?
Trail can be played in a browser at trail.franzai.com and on iOS via the App Store.
Does the game get harder?
The puzzles are generated and get a little harder with each level.
Do I need to install anything?
You can play directly in your browser, or download the app if you prefer playing on an iOS device.
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